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Annual Enrollment Period (AEP)

Your Medicare Open Enrollment Checklist

Answer a question or two and get a step-by-step checklist for Medicare's Annual Enrollment Period, October 15 to December 7, built around the coverage you have today.

Build your personalized checklist

Your answers turn into a step-by-step list you can check off, print, or come back to later.

Open EnrollmentOctober 15 – December 7

Changes start January 1

Step 1

Which best describes your Medicare coverage today?

Choose the closest match. You can change your answer at any time.

Key Open Enrollment dates

The same dates apply every year.

  1. By September 30

    Your plan's changes arrive

    Plans mail an Annual Notice of Change showing what will be different next year.

  2. October 15

    Open Enrollment begins

    Compare plans and make changes for next year.

  3. December 7

    Last day to make changes

    A new plan must get your request by this date.

  4. January 1

    New coverage starts

    Any changes you made during Open Enrollment take effect.

In a Medicare Advantage plan? From January 1 to March 31, you get another chance to switch Advantage plans or go back to Original Medicare.